Port St. Lucie police said Wednesday that Camacho-Villanueva is believed to be driving a 1997 red Ford F-150 with Florida license tag 893 NFG. He is also known to drive a 2000 white Ford F-150 with Florida license tag BLU Q85.

Police said Camacho-Villanueva and another man broke into the elderly woman's home, attacked her and stole some undisclosed property from her. The woman used her medical alert bracelet to notify authorities of the intruders, but they got away before police arrived.

The World Anti-Doping Agency (WADA) said Sunday it was "very alarmed" by reports of widespread doping by track and field athletes in major competitions including the Olympic Games and world championships.

The Obama administration will unveil a major climate change plan Monday aimed at a large reduction in greenhouse gas emissions from the nation's coal-burning power plants, a senior administration official told CNN.